Man-Thing in Marvels Super Hero Squad Show Season 2, #17,
Six Against Infinity, Part 3: This Man-Thing, This Monster!
Writer: John Rozum
Iron Man finds himself stranded on a world of monsters. There he meets Man-Thing and Werewolf by Night and must battle Dracula and a gang of mummies.
First aired 3 October 2011.

Man-Thing in The Incredible Drive What The ?!
The Incredible Drive Part Two
The Hulk and friends continue their roadtrip adventure featuring the 2012 Toyota Yaris, and Man-Thing makes a cameo appearance.
Released online Dec 16, 2011.

Spotted by PTOR

Man-Thing and the The Howling Commandos Marvel's Hulk and the Agents of S.M.A.S.H Season 2, episode #29: Hulking Commando
On Halloween, Nick Fury's Howling Commandos (which includes Man-Thing) are sent to apprehend the Agents of S.M.A.S.H. The Howling Commandos have a change of plans when they end up helping the Agents of S.M.A.S.H. prevent Dormammu from breaking into our dimension and turning all of humanity into Mindless Ones.
Screened 2014-10-19.

Marvels Agents of Shield episode #20: Nothing Personal
Agent Maria Hill name dropped Man-Thing while she is on the phone with someone ( presumable Nick Fury) telling him how her meeting was with congress. The exact quote was It went as expected. Shield implodes and everyone wants answers. The CIA, NSA, NRO, them I can handle. But congress is like kindergarten.
Where is this fridge?
What was in there?
Who or what is a Man Thing?

Screened 2014-04-29.

Spotted by MacGruber

Ultimate Spider-Man cover Marvel's Ultimate Spider-Man
This makes its Disney Channel debut in a special one-hour Halloween event, Saturday, October 5 at 9pm/8c. This brand new prime time animation special features a never-before-seen team-up with Blade, the fan favourite vampire hunter; Jack Russell aka Werewolf by Night; The Living Mummy; Frankenstein's Monster and Man-Thing. United together in animation for the first time, Spider-Man and his monstrous allies take on one of the biggest Halloween villains of all time, Dracula!
Saturday, October 5 2013

Spotted by P-tor

Man-Thing on the BBQ Marvel Super Heroes: What The ?!
Marvel vs. Capcom!
The Marvel heroes and Capcom superstars collide in a barbecue of brutality, with Man-Thing's head being BBQ'd as veggie burgers by Captain America.
Released online Sep 28, 2012.

Spotted by PTOR